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　　Life is a fleeting moment in the river of time, mankind do everything possible to seek forever and everlasting, but did not think, in fact, as long as the pace…

　　Most protein is like a jumble of atoms packed together. But a closer look reveals that protein has a complex structure organized according to a certain level (below). The first…

　　Classification of amino acids, several special amino acids, molecular structure and physical and chemical properties of protein, composition of nucleic acid, double helix structure of DNA, basic concept of enzyme,…

　　The first is “poverty”After that, pu-erh tea Not afraid of the future, dare to fight and fight, and won applause again and again in the market. 　　 　　Poverty can not…

　　Protein is a substance with a certain spatial structure, which is formed by the zigzag folding of polypeptide chains composed of amino acids in the form of dehydration and condensation.…

　　The reason why people live tired, is not fit the shelf, tear can not open face, untied plot (the reason is very simple)According to related reports, pu-erh tea To a…

　　Organic chemistry is an important branch of studying carbon compounds, involving the source, structure, properties and other aspects of organic matter, and providing revelation for the material basis of life…

　　Protein is composed of C (carbon), H (hydrogen), O (oxygen) and N (nitrogen). Generally, protein may also contain P (phosphorus), S (sulfur), Fe (iron), Zn (zinc), Cu (copper), B (boron),…

　　The Key to a Harmonious Employer-Domestic Helper Relationship in SingaporeWe have every reason to believe. Maid agency It will become the mainstream of the industry and will gradually affect more…

　　This comprehensive guide will walk you through the step-by-step process of hiring a domestic helper, including the necessary documentation and legal requirements.Without exception, Singapore house maid agency Our customers are…